Mercurial Mercurial > repos > isabelle / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | comparison | raw | help
Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
src/FOL/ex/if.thy
author wenzelm
Wed, 29 Apr 1998 11:43:34 +0200
changeset 4871 fe076613e122
parent 0 a5a9c433f639
permissions -rw-r--r--
Logic.mk_defpair; adapted to new PureThy.add_defs_i;

If = FOL +
consts  if     :: "[o,o,o]=>o"
rules
        if_def "if(P,Q,R) == P&Q | ~P&R"
end
isabelle